Run results for: Object symbol key lookup versus string key lookup

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/146.0

Browser: Firefox 146

Operating system: Windows

Device Platform: Desktop

Date tested: 7 months ago

Symbol key lookup

1645.2M/s

String key lookup

1539.7M/s

View exact numbers

Test name	Executions per second
✓ Symbol key lookup	1,645,172,992 Ops/sec
String key lookup	1,539,739,008 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const SYMBOL = Symbol("SYMBOL")
const symbolObj = { [SYMBOL]: 1 }
const stringObj = { string: 1 }

Tests: